function hover_headline(id) {
	var element = document.getElementById('headline_' + id);
	element.className = 'headline_mousein';
}

function out_hover(id) {
	var element = document.getElementById('headline_' + id);
	element.className = 'headline_mouseout';
}

function show_sub_cats(html_elements) {

	var elements = document.getElementsByName(html_elements);
	
	if (elements[0].style.display == 'none') {
		for (var i = 0; i <= elements.length - 1; i++) {
			elements[i].style.display = 'block';
		}
	} else {
		for (var i = 0; i <= elements.length - 1; i++) {
			elements[i].style.display = 'none';
		}	
	}
	

}